market freq_block round_num bid_amt bidder_num date time net_bid_amt sort_col_1 sort_col_2 B363 D 177 26345 2760 12/11/96 11:54:00 26345 8 40 B186 D 177 693000 2637 12/11/96 11:51:00 693000 17 28 B379 D 177 690015 2760 12/11/96 11:50:00 690015 35 4